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Along with the top, she oozed business chic as she sported a black suit with matching leather loafers.

Her signature blonde locks were worn down flowing over her shoulders.

Out of town: The 35-year-old actress wore a slightly oversized red striped blouse while out and about in the Ventura County town with her fiance Jesse Plemons though he was not pictured

Fashion first: Along with the top, she oozed business chic as she sported a black suit with matching leather loafers

She accessorized with a pair of black designer shades which were worn over her face which had natural, complimentary make-up on it.

While they are yet to confirm the news, UsWeekly reported the pregnancy last week, with a source telling a publication they are expecting their first child.

Kirsten, who announced her engagement to Jesse earlier this year, revealed in an interview in Marie Claire UK's July issue that she felt: 'It’s time to have babies and chill.'

In her insightful interview earlier this year, she continued: 'I wasn't one of those "I need a baby!" people until my goddaughter was born. I love her so much.

Loved up: In 2016, Kirsten began dating Jesse and they were engaged within the year, as they are pictured together in New York back in November

'That love is just like… you can't experience that unless you have a kid. I put her to bed last night and she woke up this morning and said to her mom, "Where's Kiki?" I just love that love. That's what I want.'

In 2016, Kirsten began dating Jesse and they were engaged within the year.

Speaking about the moment her Fargo co-star proposed to her, she told Jimmy Fallon on The Tonight Show: 'I was a little sick when [he proposed], which was funny.